Tierney Thys is a marine biologist and science educator. She studies the behavior of the Mola mola, or giant ocean sunfish — and works with other scientists to make films that share the wonders they see.

Tierney Thys is a marine biologist and science educator. She studies the behavior of the Mola mola, or giant ocean sunfish — and works with other scientists to make films that share the wonders they see.